 How do we find out if your vagus nerve is working? Well, you're going to have to download the ebook for this one because I'm running out of time. But right here, it shows you the structural tests for vagal nerve and how to determine if the vagus nerve is working. It even shows you the breakdown of how the vagus nerve is connected to the heart and how you can use thermography to find vagal nerve compression. We do all of this in the clinics of Cornerstone Health Center, our Ask Dr. Ernst network of doctors. And guess what?